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Table 1 Demographic and clinical characteristics of IPF patients and healthy controls

From: Cytokine gene polymorphisms and serum cytokine levels in patients with idiopathic pulmonary fibrosis

Characteristics

Patients (n = 60)

Healthy controls

Age at presentation, years

61.1 ± 12.9

30.8 ± 9.6

Male/Female

33/27

75/75

Disease duration, months

32.6 ± 12.9

-

Ever smoker, n (%)

20 (33.3)

34 (22.6)

Baseline PFTs

  

FVC,% predicted

61.7 ± 21.9

-

FEV1,% predicted

69.8 ± 23.8

-

TLC,% predicted

57.5 ± 18.7

-

DLco,% predicted

38.1 ± 21.3

-

Baseline ABG

  

PaO2, mmHg

68.6 ± 11.7

-

PaCO2, mmHg

41.1 ± 6.0

-

SaO2,%

93.9 ± 3.7

-

HRCT scores

  

Total extent

8.3 ± 3.0

-

Ground glass opacity

1.4 ± 0.8

-

Reticulation

1.6 ± 0.7

-

Honeycombing

1.4 ± 0.6

-

Traction Bronchiectasis

2.1 ± 1.0

-

Architectural distortion

1.2 ± 0.8

-

Emphysema

0.4 ± 0.8

-

  1. Data are presented as means ± standard deviations or number (with percentages).
  2. Abbreviations: IPF idiopathic pulmonary fibrosis, PFTs pulmonary function tests, ABG arterial blood gas, FVC forced vital capacity, FEV 1 forced expiratory volume in 1 second, TLC total lung capacity, DLco diffusion capacity of lung for carbon monoxide, PaO 2 partial pressure of oxygen, PaCO 2 partial pressure of carbon dioxide, SaO 2 oxygen saturation and HRCT high-resolution computed tomography.